/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Objects are passed by reference.
using System;
class Test {
public int a, b;
public Test(int i, int j) {
a = i;
b = j;
}
/* Pass an object. Now, ob.a and ob.b in object
used in the call will be changed. */
public void change(Test ob) {
ob.a = ob.a + ob.b;
ob.b = -ob.b;
}
}
public class CallByRef {
public static void Main() {
Test ob = new Test(15, 20);
Console.WriteLine("ob.a and ob.b before call: " +
ob.a + " " + ob.b);
ob.change(ob);
Console.WriteLine("ob.a and ob.b after call: " +
ob.a + " " + ob.b);
}
}
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